Ferreira, Affonso Luiz. “Pathogenesis of the Lesions of the Testis and Epididymis of Guinea-Pigs Experimentally Infected With Trypanosoma Cruzi”. Revista Do Instituto De Medicina Tropical De São Paulo, vol. 12, no. 1, Feb. 1970, pp. 69-87, https://revistas.usp.br/rimtsp/article/view/199575.